In the first three months of this year, it had a net loss of $103 million. (For all of 2010, its loss was $414 million.)

What is it spending money on? Well, $180 million was spent on online advertising in the first three months of the year.

It's also paying 7,000 employees, which isn't cheap.

While the loss is astounding, the amount of revenue Groupon generated is equally impressive. For the first three months it generated $645 million in revenue, a 1,366% increase from the year prior when it generated $44 million.

Also of note: The company is cash flow positive. It says it had $7 million in free cash flow for the first three months of the year, which is down from $12 million in the year prior.